cw matematyka liczby i wyrażenia algebraiczne czesc 2
Kl 6
strona 15
zad 6
wykonaj
A) 2(x+ 3)=.............
B 5(3x-1)=..............
c) (-4)razy(2a-b)=............
d)-2(-4b+3)=..........
e (a+b)razy(-4)=....
f(4-5x+6y)razy 3=.....
g)-3(3x-2)=.....
h-1(3x-y+2)=.....
zad 7 wykonaj dzielenie
a(10x+2y):2=..
b (-3a+12):(-3)=...
c (24a-4b):8=..
d(4u-6v):(1/2)=.
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Zadanie 6
a) 2(x+ 3)=2x+6
b) 5(3x-1)=15x-5
c) -4(2a-b)=-8a+4b
d) -2(-4b+3)=8b-6
e) (a+b)(-4)=-4a-4b
f) (4-5x+6y)*3=12-15x+18y
g) -3(3x-2)=-9x+6
h) -1(3x-y+2)=-3x+y-2
Zadanie 7
a) (10x+2y):2=5x+y
b) (-3a+12):(-3)=a-4
c) (24a-4b):8=3a-½b
d) (4u-6v):(½)=8u-12v